Frequencies for first 10,000 rows of race variable in namcs2004 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        White Only |      8,656       86.56       86.56
       Black/African American only |        984        9.84       96.40
                        Asian only |        244        2.44       98.84
  Native Hawaiian/Oth Pac Isl only |         26        0.26       99.10
American Indian/Alaska Native only |         58        0.58       99.68
       More than one race reported |         32        0.32      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016